.firstly {
    position: relative;
    width: 100%;
}

.Content {
    width: 100%;
    height: 390px;
    padding: 20px 0 60px 0;
}

.w1200 {
    width: 1200px;
    margin: 0 auto;
    height: 350px;
}

.preSale_title {
    font-size: 24px;
    color: #2b2b2b;
    height: 40px;
    line-height: 40px;
    font-weight: 700;
    font-family: "microsoft yahei";
    margin-bottom: 10px;
}

.sign-warpper {
    width: 100%;
    /* overflow: hidden */
}

.ecsc-sign .sign-left,
.ecsc-sign .sign-right {
    float: left;
    width: 300px;
    height: 300px;
}

.sign-content {
    float: left;
    position: relative;
}

.sign-bd {
    width: 600px;
    height: 300px;
    /* overflow: hidden; */
}

.sign-right {
    width: 300px;
    height: 300px;
    float: right;
}